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IP Addressing Format - Networking - Lecture Slides, Slides of Computer Networks

This lecture is from networking course. Key words in this lecture are: IP Addressing Format, IP Address, Binary-To-Decimal Conversion, New IP Address, Commercial Classes, Note on Multicasting, Unicasting, Restrictions on Zeros and Ones, Restrictions on Network Id Assignments

Typology: Slides

2013/2014

Uploaded on 01/29/2014

jamil
jamil 🇮🇳

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IP Addressing Format

Questions

  • How many bits are there in a TCP/IP address?
  • Name the components of a typical TCP/IP address?
  • What is the difference between the old IPv4 and the new

IPv6 addresses?

  • Explain the difference between network ID and host ID.
  • Name the classes of IP addresses. What are the purpose

and function of each class of addressing

  • Compute the number of networks and hosts that can be

supported in each class of address.

Chapter Modules

  • IP Address Format and Components
  • Classes of Addresses
  • Scope of Addresses and Restrictions

Module 1

IP Address Format

IP Address Format

32 bits divided into 4 octets for convenience

Converted into decimals for easy

representation and remembrance

An Example in Binary-to-Decimal Conversion

Binary 1 0 0 1 Factor 8 4 2 1 Decimal= Binary * Factor 8 0 0 1 8+ = 9

Binary 1001 = Decimal 9

The New IP Address

  • The new IP address known as IPv6 has 128 bits
    • www.whatis.com

IP Component Reference

Internet

Host ID

Host ID

Network ID

Module 2

Classes of IP Addresses

Classes of IP Addresses

  • IP addresses have been divided into classes
    • They are namely Classes A, B C, D and E
  • Classes A, B and C are used for commercial purpose
  • Class D is used for multicasting
  • Class E is used for experimental purpose

Subnetting

  • There is no strict rule as to who may use a certain class of address
  • An enterprise such as an ISP can own a large Class B address space and subnet it into smaller spaces for its customers

Class D

  • Reserved for IP multicasting
  • The first four higher-order bits are set to 1 1 1 0 respectively
  • Microsoft supports Class D addresses for multicasting
  • Multicasting is the process of delivering media over the Internet at reduced bandwidths

Unicasting

3 Streams

Multicasting

1 Stream on Internet 3 Streams Locally